Webster’s Revised Unabridged Dictionary · 1913
Masquerade
Mas′quer·ade′ (măs′kẽr·ād′), n. [F. mascarade, fr. Sp. mascarada, or It. mascherata. See Mask.]
1. An assembly of persons wearing masks, and amusing themselves with dancing, conversation, or other diversions.
In courtly balls and midnight masquerades. Pope.
2. A dramatic performance by actors in masks; a mask. See 1st Mask, 4. [Obs.]
3. Acting or living under false pretenses; concealment of something by a false or unreal show; pretentious show; disguise.
That masquerade of misrepresentation which invariably accompanied the political eloquence of Rome. De Quincey.
4. A Spanish diversion on horseback.
Mas′quer·ade′, v. i. [imp. & p. p. Masqueraded; p. pr. & vb. n. Masquerading.]
1. To assemble in masks; to take part in a masquerade.
2. To frolic or disport in disquise; to make a pretentious show of being what one is not.
A freak took an ass in the head, and he goes into the woods, masquerading up and down in a lion's skin. L'Estrange.
Mas′quer·ade′, v. t. To conceal with masks; to disguise. "To masquerade vice." Killingbeck.